sem2/oop/oop_exercises/src/main/java/ch/hslu/oop/sw06/calculator/ICalculator.java
package ch.hslu.oop.sw06.calculator;

/**
 * Interface for a simple calculator.
 */
public interface ICalculator {
    /**
     * Adds two numbers.
     * @param a first number.
     * @param b second number.
     * @return sum of a and b.
     */
    int add(int a, int b);
}
